Method Update

gui.go:2830–2901

Update takes the Y position to set the row to update and draw

(yPos float32)

// Update takes the Y position to set the row to update and draw
func (row *ContainerRow) Update(yPos float32) float32 {

	x := row.Container.Rect.X
	y := row.Container.Rect.Y + float32(yPos)

	row.rect.X = x - 32 + row.HorizontalMargin
	row.rect.Y = y

	usedWidth := float32(0)
	maxWidth := row.Container.Rect.W - (row.HorizontalMargin * 2)
	yHeight := float32(0)

	if row.ForcedSize.Y != 0 {
		usedWidth = row.ForcedSize.X
		yHeight = row.ForcedSize.Y
	} else {

		for _, element := range row.Elements {

			rect := element.Rectangle()
			usedWidth += rect.W + row.HorizontalSpacing
			if yHeight < rect.H {
				yHeight = rect.H
			}
		}

	}

	diff := (maxWidth - usedWidth)
	if diff < 0 {
		diff = 0
	}
	if row.Alignment == AlignCenter {
		x += diff / 2
	} else if row.Alignment == AlignRight {
		x += diff
	}

	for _, element := range row.ElementOrder {
		if !row.ExpandElementSet.Contains(element) {
			maxWidth -= element.Rectangle().W
		}
	}

	totalElementSize := float32(len(row.ElementOrder))

	if row.ExpandElementSet.On {
		totalElementSize = float32(len(row.ExpandElementSet.Elements))
	}

	for _, element := range row.ElementOrder {
		rect := element.Rectangle()

		rect.X = x
		rect.Y = y

		if row.ExpandElementSet.On && row.ExpandElementSet.Contains(element) {
			rect.W = maxWidth / totalElementSize